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CN-121973321-A - Three-layer casting snowflake glaze processing technology

CN121973321ACN 121973321 ACN121973321 ACN 121973321ACN-121973321-A

Abstract

The invention discloses a three-layer casting snowflake-shaped glaze processing technology, which is characterized in that three layers of glaze lines with clear layers, namely a runner, a feathered shape and a snowflake shape are formed by adopting a layered glazing and staged firing technology through cooperative work of matched processing equipment and matching with a transparent glaze layer, so that the glossiness and the stability are improved. The technical scheme is characterized in that the method is based on three-layer casting snowflake glaze processing related equipment, the equipment comprises a ball mill, rolling forming equipment, a ventilation drying device, a rotary workbench, a feather-shaped smearing tool, kiln equipment and glaze dipping equipment, the rolling forming equipment is used for forming a mud blank tray body, the ventilation drying device is used for adjusting the water content of the mud blank, the rotary workbench is used for fixing the tray body during glazing, the feather-shaped smearing tool is used for layered glazing, the kiln equipment is used for phased temperature control firing, the glaze dipping equipment is used for applying transparent glaze, and the method comprises the steps of pre-preparation, layered glazing, phased firing and transparent glaze layer forming.

Inventors

  • CAI JINYUAN

Assignees

  • 潮州市庆发陶瓷有限公司

Dates

Publication Date
20260505
Application Date
20260202

Claims (10)

  1. 1. A three-layer casting snowflake glaze processing technology is characterized in that the method is based on three-layer casting snowflake glaze processing related equipment, the equipment comprises a ball mill, a roll forming device, a ventilation drying device, a rotary workbench, a feather-shaped smearing tool, kiln equipment and glaze dipping equipment, all the equipment are used in a matched mode according to a processing flow, the ball mill is used for ball milling treatment of blanks and glaze, the roll forming device is used for forming a mud blank tray body, the ventilation drying device is used for adjusting the moisture content of the mud blank, the rotary workbench is used for fixing the tray body during glazing, the feather-shaped smearing tool is used for layered glazing, the kiln equipment is used for firing in a phased mode, the glaze dipping equipment is used for applying transparent glaze, the method comprises the steps of pre-preparation, layered glazing, phased firing and transparent glaze layer forming, the layered glazing is sequentially carried out by glaze 1, glaze 2 and glaze 3 in basic glaze, and the method specifically comprises the following steps: S1, pre-preparation, including blank preparation, glaze preparation, tool and equipment preparation and mud blank disc preparation; S2, coating the glaze 1 in the basic glaze by using a feather-shaped coating tool to form a runner decorative glaze, and then performing biscuit firing on the glazed tray body; s3, coating the feather-shaped decorative glaze between two adjacent runner decorative glazes by utilizing the glaze 2 in the residual basic glaze on the feather-shaped coating tool; s4, shaking the feather-shaped smearing tool, and spraying the glaze 3 in the rest basic glaze to the middle part of the tray body to form snowflake decorative glaze; s5, baking the tray body coated with the three layers of decorative glaze in a staged manner to make the glaze color; And S6, after the transparent glaze is applied, firing the plate again in stages to form a transparent glaze layer, and finally obtaining the three-layer casting snowflake-shaped glaze plate body.
  2. 2. The three-layer casting snowflake-shaped glaze processing technology according to claim 1, wherein the pre-preparation specific operation of the step S1 is as follows: S1.1, preparing blanks, namely crushing, ball milling, ageing and pugging the specified daily ceramic plastic blanks to meet the rolling and forming requirements; S1.2, preparing a glaze, namely preparing a tan glaze with a high Wen Jichu and a transparent glaze, and processing for later use; s1.3, preparing tools and equipment, namely preparing feather-shaped smearing tools and kiln equipment with specified specifications; S1.4, preparing a mud blank disc body, cutting, rolling, trimming and drying the plastic mud dough, and meeting glazing requirements.
  3. 3. The processing technology of the three-layer casting snowflake glaze line is characterized in that the basic glaze material in the step S1 is a tan high-temperature glaze material and is divided into 1-3, the components of the glaze material are consistent, different glaze application steps are correspondingly carried out to form different decorative glaze lines, and the common components of the glaze material comprise 35-41% of potassium feldspar, 10-14% of kaolin, 20-24% of quartz, 2-6% of ferric oxide, 5-9% of barium carbonate, 5-9% of talcum and 1-3% of zinc oxide by weight percent, and after the mixture is stirred by adding water and filtered by a 300-350-mesh screen, the mixture is adjusted to have the viscosity of 360-400 mPa.s for later use at 25 ℃ for application of three decorative glaze materials respectively.
  4. 4. The three-layer casting snowflake glaze processing technology according to claim 1, wherein the transparent glaze in the step S1 comprises 40-44% of potassium feldspar, 23-27% of quartz, 8-12% of kaolin, 6-10% of potassium carbonate, 5-9% of zinc oxide and 6-10% of aluminum oxide in percentage by weight, ball milling is carried out for 40-45 hours according to the water: ball=1:0.7-0.8:3, the viscosity is adjusted to 400-440 mPa.s, the glaze content in glaze slurry is 1.47-1.50%, and the glaze slurry is filtered by a 300-350 mesh screen for later use.
  5. 5. The three-layer casting snowflake glaze processing technology according to claim 1, wherein the feather-shaped smearing tool in the step S1 is formed by binding 15-21 natural goose feathers with the density of 3-5 goose feather branches per square centimeter and trimming the tail ends in order at the tail ends of a 13-17cm wooden handle, the volume of a kiln used is 3-7m & lt 3 & gt, the temperature control precision is +/-5 ℃, and a programmable temperature raising program is provided.
  6. 6. The three-layer casting snowflake glaze processing technology according to claim 1, wherein the mud blank disc body in the step S1 is prepared by cutting and rolling a plastic mud ball into a primary blank with the diameter of 18-22cm and the thickness of 0.9-1.0cm, drying the primary blank in stages after trimming, drying the primary blank for 1.5-2h at 35-45 ℃ and then drying the primary blank for 16-20h at 35-65 ℃, and the moisture content of the primary blank after drying is controlled to be 2-4%, wherein the surface of the primary blank is free from defects and meets glazing requirements.
  7. 7. The process for processing the three-layer casting snowflake glaze according to claim 1, wherein in the step S2, the mud blank disc body is inclined by 25-35 degrees and fixed on a rotary workbench with the rotating speed of 3-7r/min, a hand tool dips in glaze 1, the dipping amount is 60-70% of the maximum bearing capacity of the tool, the three-layer casting snowflake glaze is uniformly smeared at a speed of 1.8-2.2cm/S from the edge to the center at an angle of 40-50 degrees after being drained, and a runner decorative glaze with the width of 1.3-1.7cm and the thickness of 0.3-0.4mm is formed, and then the three-layer casting snowflake glaze is subjected to biscuit firing for 4-6 hours at the temperature of 840-850 ℃.
  8. 8. The process for processing the three-layer casting snowflake glaze according to claim 1, wherein in the step S3, the residual glaze 2 on the tool is transversely smeared in a light sweeping mode, the smearing speed is 2.8-3.2cm/S, the feathered decorative glaze with the width of 0.9-1.1cm and the thickness of 0.25-0.35mm is formed, and the boundary with the runner decorative glaze is clear.
  9. 9. The process for processing the three-layer casting snowflake-shaped glaze according to claim 1, wherein in the step S4, the rotating speed of a workbench is adjusted to 6-10r/min, the vertical distance between a tool and the center of a tray body is 10-14cm, the tool is vibrated at the frequency of 1.8-2.2 times/second, the rest glaze 3 is sprayed to the middle part of the tray body, the spraying time is 7-9S, and snowflake-shaped decorative glaze with the diameter of 4.5-5.5cm and the glaze drop diameter of 0.3-0.5mm is formed.
  10. 10. The three-layer casting snowflake glaze processing technology is characterized in that the step S5 is performed by firing in stages, wherein the temperature is raised to 300 ℃ at the temperature rise rate of 25-35 ℃ per hour, a gap of 3-5cm is reserved on a kiln door for moisture removal, the temperature is raised to 600 ℃, the temperature rise rate is 40-50 ℃ per hour, the kiln door is closed, the temperature is raised to 850 ℃, the temperature rise rate is 25-35 ℃ per hour, the temperature is kept for 25-35 minutes, the temperature is naturally lowered, the transparent glaze is applied in a glaze immersing mode, the thickness of the transparent glaze is controlled to be 0.2-0.3mm, the temperature is raised to 600 ℃ at the temperature rise rate of 35-45 ℃ per hour, the temperature rise rate is raised to 1250 ℃, and the temperature is kept for 15-25 minutes, and the temperature is naturally lowered.

Description

Three-layer casting snowflake glaze processing technology Technical Field The invention relates to the field of ceramic processing, in particular to a three-layer casting snowflake glaze processing technology. Background Ceramic glaze decoration is one of core processes in ceramic processing, and by applying glaze on the surface of a blank body and firing, decorative textures with attractive and artistic properties are formed, so that the added value and market competitiveness of ceramic products are greatly improved. With the development of ceramic decoration industry, the layering, diversity and fineness requirements of consumers on glaze lines are continuously improved, and the traditional ceramic glaze line processing technology is difficult to meet the market demands. The existing ceramic glaze grain processing mainly comprises single-layer or double-layer glaze grains, the glaze grain shape is single, the glaze grain is mostly solid color, simple stripes or punctiform grains, the cooperative decoration of multiple layers of glaze grains with different shapes cannot be realized, and the three-dimensional sense and the design sense are lacked. In the aspect of glazing technology, the traditional glazing tools are mostly brushes, scrapers and the like, the painting form and thickness of glaze are difficult to accurately control, clear and regular runner-shaped, feathered, snowflake-shaped and other diversified textures cannot be formed, and the boundaries of glaze textures in different areas are fuzzy, so that the defects of mixing, flowing and the like are easy to occur. Meanwhile, in the prior art, the pretreatment flow of the blank and the glaze lacks unified specifications, the blank is inappropriately dried, the glaze is easy to fall off and crack when the subsequent glazing is carried out, and the adhesiveness and the color forming effect of the glaze can be affected if the glaze ratio and the pretreatment are not standardized. The firing process is mostly single-temperature firing, the staged temperature control is not carried out according to different requirements of glaze melting and color forming, the problems of insufficient glaze melting, uneven color forming, matt glaze surface and the like are easy to occur, and the glaze pattern is lack of effective protection measures after being formed, and is easy to wear and fall off after long-term use. In addition, in the existing processing technology, the matching of processing equipment lacks systematicness, a complete equipment system adapting to multi-layer glaze grain processing is not formed, so that the technology has poor continuity and stability, mass production is difficult to realize, and the product qualification rate is low. Aiming at the defects of the prior art, a ceramic glaze processing technology which can realize multilayer diversified glaze decoration, has standard technology, strong stability and good decoration effect and is suitable for mass production is needed to solve the defects of the prior art. Disclosure of Invention The invention aims to provide a three-layer casting snowflake-shaped glaze processing technology, which is characterized in that a layering glazing combined staged firing technology is adopted through the cooperative work of matched processing equipment to form three layers of clear-layered runners, feathers and snowflakes, and a transparent glaze layer is matched to improve the glossiness and the stability, so that the problems of single glaze, fuzzy layers and easy falling off of the existing glaze are solved, the technology is standard and easy to operate, the decorative effect and the quality of products are ensured, and the technology is suitable for mass production. In order to achieve the above purpose, the present invention adopts the following technical scheme: The three-layer casting snowflake glaze processing technology is characterized in that the method is based on three-layer casting snowflake glaze processing related equipment, the equipment comprises a ball mill, rolling forming equipment, a ventilation drying device, a rotary workbench, a feather-shaped smearing tool, kiln equipment and glaze dipping equipment, all the equipment are used in a matched mode according to the processing flow, the ball mill is used for ball milling treatment of blanks and glazes, the rolling forming equipment is used for shaping a mud blank tray body, the ventilation drying device is used for adjusting the moisture content of the mud blank, the rotary workbench is used for fixing the tray body during glazing, the feather-shaped smearing tool is used for layered glazing, the kiln equipment is used for controlling and firing in stages, the glaze dipping equipment is used for applying transparent glazes, the method comprises the steps of pre-preparation, layered glazing, staged firing and transparent glaze layer forming, and the layered glazing is sequentially carried out by adopting glazes 1, 2 and 3 in basic gla